Drill chuck



FIG. 1 is a perspective view from above of a drill chuck according to the invention;

FIG. 2 is a right-side elevational view of the drill chuck;

FIG. 3 is a left-side elevational view of the drill chuck;

FIG. 4 is a top view of the drill chuck; and,

FIG. 5 is a bottom view of the drill chuck. 

The ornamental design for a drill chuck, as shown. 